﻿namespace CSharpPro;

public class Demo2
{
    public static void demo2()
    {
        int sum = 0;
        for (int i = 1; i <= 100; i++)
        {
            if (i % 7 != 0 && i / 10 != 7 && i % 10 != 7)
            {
                Console.WriteLine(i);
                sum += i;
            }
            Console.WriteLine(sum);
        }
    }
}